In Clayton, Iowa, the median home price is $291,007, compared with the Iowa median of $237,481; median household income is $67,242; the population is 17,013; schools rate 8.4 out of 10; the violent crime rate is 93.5 per 100k; and the average commute is 23.1 minutes. Sources: Zillow Research and the US Census Bureau.
Data updated June 2026 - Source: Zillow Research
Clayton at a glance
Population
17,013
Median Household Income
$67,242
Typical Home Value
$291,007
School District Rating
8.4
Violent Crime Rate
93.5
Avg Commute Time
23.1
About Clayton
Clayton has a population of 17,013. The median home value is $291,007, 23% above the Iowa median. Median household income is $67,242 (10% below the Iowa median). The most populated towns are Jefferson, Monona, and Cass.
Data comes from public sources including the U.S. Census Bureau, the National Center for Education Statistics, the FBI, the EPA, Zillow, and Redfin. Source attribution is shown on each metric.
Towns in Clayton
22 towns, by population.
- Jefferson2,675 pop.
- Monona2,409 pop.
- Cass1,801 pop.
- Boardman1,796 pop.
- Mendon1,707 pop.
- Garnavillo987 pop.
- Lodomillo668 pop.
- Volga581 pop.
- Grand Meadow544 pop.
- Farmersburg444 pop.
- Millville422 pop.
- Mallory387 pop.
- Buena Vista357 pop.
- Sperry352 pop.
- Read326 pop.
- Marion310 pop.
- Elk288 pop.
- Clayton285 pop.
- Wagner226 pop.
- Highland186 pop.
- Cox Creek138 pop.
- Giard124 pop.
County rankings in Iowa
Every county in Iowa, ranked on one decision metric at a time.
- Cheapest Counties to Buy a House
- Counties With the Lowest Monthly Housing Payment
- Counties With the Lowest Property Tax
- Counties With the Cheapest Homeowners Insurance
- Counties With the Cheapest Childcare
- Safest Counties From Natural Disasters
- Counties With the Lowest Flood Risk
- Counties With the Lowest Wildfire Risk
- Safest Counties (Lowest Violent Crime)
- Counties With the Best School Ratings
- Counties With the Highest Household Income
- Counties With the Shortest Commute
- Counties Where Homes Sell Fastest
Clayton at a glance: frequently asked questions
- What is the population of Clayton?
- Clayton has a population of 17,013 based on the most recent US Census estimate.
- What is the median home price in Clayton?
- The median home value in Clayton is $291,007. Open the interactive map to see the distribution town by town.
- What is the median household income in Clayton?
- Median household income in Clayton is $67,242 per year, sourced from the US Census American Community Survey.
- What state is Clayton in?
- Clayton is in Iowa.
- How many towns are in Clayton?
- Clayton contains 22 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare Clayton with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.